Home / 1,148,998.32-1,723,611.69-439,623

Finding the Fourth Proportional to 1,148,998.32, 1,723,611.69 and 439,623

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Solution

The fourth proportional to 1,148,998.32, 1,723,611.69 and 439,623 is: 659,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,998.32 : 1,723,611.69 = 439,623 : x
  2. Step 2: Convert to fraction form
    1,148,998.32/1,723,611.69 = 439,623/x
  3. Step 3: Cross multiply
    1,148,998.32x = 1,723,611.69 × 439,623
  4. Step 4: Simplify right side
    1,148,998.32x = 757,739,341,992.87
  5. Step 5: Solve for x
    x = 757,739,341,992.87/1,148,998.32
  6. Step 6: Final answer
    x = 659,478.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.